STRANGER BUILDS I Halloween hackathon
Hosted by STRANGER BUILDS 🎃 + NERDCONF
Register with organizer
What to look forward to
Stranger Builds will bring builders together for a Halloween-themed, one-day hackathon followed by seven days to ship a product and find its first users. Backed by Base44, Fetch.ai, Vonage and Shelled AI, the event draws on NERDCONF’s global network of 25,000+ builders.
Inside the event
STRANGER BUILDS 🎃 The nerdiest Halloween hack ever.
This is the San Francisco edition of Stranger Builds.
...what will you bring to life? Find your first users in 7 days. Meet other builders, build something strange, and get real people using it.
HOW IT WORKS
⚡ Saturday, October 31: one day in person in San Francisco or Melbourne, or online from anywhere.
⚡ Then seven days online to ship.
BACKED BY
🟠 Base44, Main Sponsor. Describe an app in plain words and get a working one, with backend, auth and hosting built in. base44.com
🟢 Fetch.ai, Main Sponsor. Build AI agents that find each other and get things done. fetch.ai
🔵 Vonage. APIs for messaging, voice and video inside your app. vonage.com
🦀 Shelled AI, Community Partner. Design, build, test and ship software with any AI model. shelled.ai
🦘 MLAI AUS, Community Partner (Melbourne). Our partner in Melbourne. mlai.au
👀 Judge announcements are coming.
Want to judge or sponsor? Get in touch: hey@nerdconf.com
Join the other editions
Melbourne 👉 https://luma.com/brg6yp1r
Online 👉 https://luma.com/wn16tj6m
NERDCONF runs hackathons in San Francisco and around the world, with a global network of 25K+ builders. The last one was Burning Token, September 2026, San Francisco and online.
A seat from anywhere.
Register with the organizer for joining instructions and the event link.
Discovered through Cerebral Valley. Details come from the event listing and the organizer page; registration is managed by the organizer.
Last checked: Oct 18, 2026. Confirm current availability before making plans.
Organizer page checked: Oct 18, 2026. Check registration for the latest details.